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Finding the Fourth Proportional to 2,406.11, 3,609.12 and 627.17

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Solution

The fourth proportional to 2,406.11, 3,609.12 and 627.17 is: 940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.11 : 3,609.12 = 627.17 : x
  2. Step 2: Convert to fraction form
    2,406.11/3,609.12 = 627.17/x
  3. Step 3: Cross multiply
    2,406.11x = 3,609.12 × 627.17
  4. Step 4: Simplify right side
    2,406.11x = 2,263,513.74
  5. Step 5: Solve for x
    x = 2,263,513.74/2,406.11
  6. Step 6: Final answer
    x = 940.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.